BZM55B9V1-TR3

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	9.1V
Tolerance:	--
Power - Max:	500mW
Impedance (Max) (Zzt):	50 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 6.8V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	2-SMD, No Lead
Supplier Device Package:	MicroMELF

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Diodes - Zener - Single : BZM55B9V1-TR3 application field and working principle

The BZM55B9V1-TR3, produced by EIC, is a zener diode that is often used in low- and mid-power voltage regulation applications. This diode is a single-way device, meaning that it features a single diode and does not incorporate other elements such as a bridge rectifier, which would be necessary for bi-directional voltage regulation. This diode has a reverse breakdown voltage rating of 9V, meaning that when it is used in a voltage regulation circuit, it will regulate a circuit\'s voltage to a maximum of 9V. Although this diode is best suited for low- and mid-power voltage regulation, it can be used in higher-power applications if the circuit is designed to supply the diode with a sufficient heat sink.The diode is typically mounted on a standard printed circuit board and consumes very little power. As a result, it is a very efficient power regulator. The diode has a maximum current rating of 1A, so it can be used in applications that require higher levels of current. Furthermore, it has a fast turn-on time of 1µs, so it is suitable for applications that require quick switching or fast response times. The diode also features low thermal resistance, meaning that it transfers heat away from the semiconductor junction quickly and efficiently; this is ideal for high-power applications.The working principle of the Zener diode is based on a phenomenon known as Zener breakdown. This occurs when the reverse bias voltage across the diode exceeds its breakdown voltage rating, usually around 5 to 6 volts for standard diodes. When this happens, the electric field across the diode increases significantly and its current goes to infinity. However, for the BZM55B9V1-TR3 diode, once the reverse bias voltage crosses the breakdown value of 9V, the electric field is reduced and the current is limited to the maximum current rating of 1A.The BZM55B9V1-TR3 is usually used to regulate the output voltage of power supplies that use a transformer as the main power source. As the voltage regulation circuit will be connected to the output of the transformer, it can be used to drop or increase the voltage level of the output depending on the desired application. For example, it can be used to drop the output voltage to a certain level in order to protect connected electrical components or increase the voltage level in order to provide more power to connected components.In conclusion, the BZM55B9V1-TR3 is a single Zener diode that is generally used in low- and mid-power application for voltage regulation. It features a reverse breakdown voltage rating of 9V, a maximum current rating of 1A, and a fast turn-on time of 1µs. It also features low thermal resistance, making it suitable for high-power applications. This diode can be used in power supplies to regulate the output voltage according to the desired application.

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